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1.故障现象1台工作1000h的国产SD6G型液力传动推土机,在湖南临武某高速公路工地施工时,突然出现行走无力故障。为此,我们请该机生产厂家技术人员进行排查。2.现场检查经技术人员了解,该故障是在维修保养后出现的。维修保养正置高温季节,其底盘液压系统产生泄漏、系统压力有所下降。维修人员调整了底盘液压系统顺序阀压力,调整后出现了行走无力故障,在该机履带前边放1块石头,即可阻挡其行走。技术人员检查了该机总体情况。得知其发动机运行正常,传动系统无异响,底盘油液无
1. Symptom 1 work 1000h domestic SD6G hydraulic transmission bulldozer, Linwu in Hunan highway construction site, suddenly appeared weak walking failure. To this end, we ask the aircraft manufacturer technical staff to investigate. 2. Field inspection by the technical staff to understand that the fault occurred after maintenance. Maintenance is hot season, the chassis hydraulic system leaks, the system pressure decreased. Maintenance personnel to adjust the chassis hydraulic system sequence valve pressure, adjust the walk appeared weakness in the front of the machine put a stone, you can stop the walk. Technicians checked the aircraft overall situation. That the engine is operating normally, the transmission system no abnormal sound, no chassis oil